| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | imperiled |
| Synonyms: | at risk, facing extinction, in danger, threatened |
| Main Entry: | risky |
| Part of Speech: | adjective |
| Definition: | dangerous |
| Synonyms: | chancy, delicate, dicey, endangered, fraught with danger, going for broke, hairy*, hanging by a thread, hazardous, iffy, insecure, jeopardous, long shot, not a prayer, off the deep end, on slippery ground, on the spot, on thin ice, out on a limb, perilous, playing with fire, precarious, rocky, sensitive, speculative, ticklish, touch-and-go, touchy, treacherous, tricky, uncertain, unhealthy, unsafe, unsound, venturesome, wicked, wide-open |
| Antonyms: | assured, certain, safe, sure |
| Main Entry: | unprotected |
| Part of Speech: | adjective |
| Definition: | defenseless |
| Synonyms: | caught, endangered, exposed, helpless, in the line of fire, indefensible, like a sitting duck, naked*, open, out on a limb, powerless, pregnable, unarmed, unguarded, unsafe, vulnerable, weak, wide open |
| Main Entry: | at risk |
| Part of Speech: | adjective |
| Definition: | in danger |
| Synonyms: | at hazard, endangered, exposed, imperiled, in jeopardy, in peril, jeopardized, susceptible, threatened, vulnerable |
| Main Entry: | undefended |
| Part of Speech: | adjective |
| Definition: | unprotected |
| Synonyms: | assailable, defenseless, endangered, exposed, undefendable, unguarded, vulnerable |
| Antonyms: | defended, guarded, protected, safe, secure |